70542132 has 12 divisors (see below), whose sum is σ = 164598336. Its totient is φ = 23514040.

The previous prime is 70542107. The next prime is 70542139. The reversal of 70542132 is 23124507.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70542139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2939244 + ... + 2939267.

It is an arithmetic number, because the mean of its divisors is an integer number (13716528).

Almost surely, 2^70542132 is an apocalyptic number.

It is an amenable number.

70542132 is an abundant number, since it is smaller than the sum of its proper divisors (94056204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70542132 is a wasteful number, since it uses less digits than its factorization.

70542132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878518 (or 5878516 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70542132 is about 8398.9363612305. The cubic root of 70542132 is about 413.1897382456.

Adding to 70542132 its reverse (23124507), we get a palindrome (93666639).

The spelling of 70542132 in words is "seventy million, five hundred forty-two thousand, one hundred thirty-two".